com.bladecoder.engine.ui.retro.VerbUI Maven / Gradle / Ivy
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Classic point and click adventure game engine
package com.bladecoder.engine.ui.retro;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.ui.Button.ButtonStyle;
import com.badlogic.gdx.scenes.scene2d.ui.ImageButton;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.Label.LabelStyle;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
import com.badlogic.gdx.scenes.scene2d.ui.TextButton.TextButtonStyle;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
import com.badlogic.gdx.scenes.scene2d.utils.Drawable;
import com.badlogic.gdx.utils.Align;
import com.bladecoder.engine.i18n.I18N;
import com.bladecoder.engine.model.InteractiveActor;
import com.bladecoder.engine.model.Inventory;
import com.bladecoder.engine.model.World;
import com.bladecoder.engine.ui.SceneScreen;
import com.bladecoder.engine.util.DPIUtils;
public class VerbUI extends Table {
private final static float MARGIN = 1;
private static final List VERBS = Arrays.asList("give", "pickup", "use", "open", "talkto", "push", "close",
"lookat", "pull");
private static final List VERBS_DESC = Arrays.asList("Give", "Pick up", "Use", "Open", "Talk to", "Push",
"Close", "Lookat", "Pull");
private static final int VERB_COLS = 3;
private static final int INVENTORY_COLS = 3;
private static final int INVENTORY_ROWS = 3;
private final List inventorySlots = new ArrayList();
private final SceneScreen sceneScreen;
private final String DEFAULT_VERB = "lookat";
private final Label infoLine;
private String currentVerb = DEFAULT_VERB;
private InteractiveActor target;
private VerbUIStyle style;
private int scroll = 0;
private Table arrowPanel;
private Table invPanel;
public VerbUI(SceneScreen scn) {
super(scn.getUI().getSkin());
style = scn.getUI().getSkin().get(VerbUIStyle.class);
if (style.background != null)
setBackground(style.background);
this.sceneScreen = scn;
infoLine = new Label(VERBS_DESC.get(VERBS.indexOf(DEFAULT_VERB)), style.infoLineLabelStyle);
infoLine.setAlignment(Align.center);
add(infoLine).colspan(3).fillX().expandX();
row();
Table verbs = createVerbPanel();
add(verbs).fill().expand();
arrowPanel = createArrowPanel();
add(arrowPanel).fillY().expandY();
invPanel = createInventoryPanel();
add(invPanel).fill().expand();
}
private Table createArrowPanel() {
Table arrows = new Table();
arrows.defaults().pad(MARGIN);
ImageButton.ImageButtonStyle s = new ImageButton.ImageButtonStyle(style.inventoryButtonStyle);
s.imageUp = style.upArrow;
ImageButton up = new ImageButton(s);
arrows.add(up).fillY().expandY();
up.addListener(new ClickListener() {
public void clicked(InputEvent event, float x, float y) {
if(scroll > 0)
scroll--;
}
});
arrows.row();
ImageButton.ImageButtonStyle s2 = new ImageButton.ImageButtonStyle(style.inventoryButtonStyle);
s2.imageUp = style.downArrow;
ImageButton down = new ImageButton(s2);
arrows.add(down).fillY().expandY();
down.addListener(new ClickListener() {
public void clicked(InputEvent event, float x, float y) {
Inventory inv = World.getInstance().getInventory();
int itemsLeft = inv.getNumItems() - scroll * INVENTORY_COLS;
if(itemsLeft > inventorySlots.size())
scroll++;
}
});
return arrows;
}
private Table createVerbPanel() {
Table verbs = new Table();
verbs.defaults().pad(MARGIN);
for (int i = 0; i < VERBS.size(); i++) {
if (i % VERB_COLS == 0)
verbs.row();
TextButton b = new TextButton(VERBS_DESC.get(i), style.verbButtonStyle);
b.setName(VERBS.get(i));
b.addListener(new ClickListener() {
public void clicked(InputEvent event, float x, float y) {
currentVerb = event.getListenerActor().getName();
infoLine.setText(((TextButton) event.getListenerActor()).getText());
target = null;
}
});
verbs.add(b).fill().expand();
}
return verbs;
}
@Override
public void sizeChanged() {
super.sizeChanged();
for(Actor a:arrowPanel.getChildren()) {
ImageButton b = (ImageButton)a;
float h = (getHeight() / 2) - style.infoLineLabelStyle.font.getLineHeight() / 2 - DPIUtils.getSpacing();
float ih = b.getImage().getDrawable().getMinHeight();
float iw = b.getImage().getDrawable().getMinWidth() * h / ih;
b.getImageCell().maxSize(iw, h);
}
arrowPanel.invalidateHierarchy();
}
@Override
public void act(float delta) {
super.act(delta);
Inventory inv = World.getInstance().getInventory();
// fill inventory
for (int i = 0; i < inventorySlots.size(); i++) {
RendererDrawable r = (RendererDrawable) inventorySlots.get(i).getImage().getDrawable();
int pos = scroll * INVENTORY_COLS + i;
if (pos < inv.getNumItems()) {
r.setRenderer(inv.get(pos).getRenderer());
} else {
r.setRenderer(null);
}
inventorySlots.get(i).getImage().invalidate();
}
}
private Table createInventoryPanel() {
Table inventory = new Table();
inventory.defaults().pad(MARGIN);
for (int i = 0; i < INVENTORY_COLS * INVENTORY_ROWS; i++) {
if (i % INVENTORY_COLS == 0)
inventory.row();
ImageButton.ImageButtonStyle s = new ImageButton.ImageButtonStyle(style.inventoryButtonStyle);
RendererDrawable r = new RendererDrawable();
s.imageUp = r;
ImageButton b = new ImageButton(s);
inventory.add(b).fill().expand();
b.setUserObject(i);
inventorySlots.add(b);
b.addListener(new ClickListener() {
public void clicked(InputEvent event, float x, float y) {
int i = (Integer) event.getListenerActor().getUserObject();
Inventory inv = World.getInstance().getInventory();
target = null;
if (i < inv.getNumItems()) {
InteractiveActor actor = inv.get(i);
if (currentVerb.equals("use") || currentVerb.equals("give")) {
target = actor;
} else {
sceneScreen.runVerb(actor, currentVerb, null);
}
}
}
});
b.getImageCell().pad(MARGIN).expand().fill();
}
return inventory;
}
public String getCurrentVerb() {
return currentVerb;
}
public String getTarget() {
return target == null ? null : target.getId();
}
public void setCurrentActor(InteractiveActor actor) {
String verbDesc = VERBS_DESC.get(VERBS.indexOf(currentVerb));
String desc = getTranslatedDesc(actor);
if (target != null) {
String prep;
if (currentVerb.equals("give")) {
prep = " to ";
} else {
prep = " with ";
}
if (desc != null)
infoLine.setText(verbDesc + " " + getTranslatedDesc(target) + prep + desc);
else
infoLine.setText(verbDesc + " " + getTranslatedDesc(target) + prep);
} else {
if (desc != null)
infoLine.setText(verbDesc + " " + desc);
else
infoLine.setText(verbDesc);
}
}
private String getTranslatedDesc(InteractiveActor actor) {
String desc = null;
if (actor != null && actor.getDesc() != null) {
desc = actor.getDesc();
if (desc.charAt(0) == I18N.PREFIX)
desc = I18N.getString(desc.substring(1));
}
return desc;
}
public void show() {
setVisible(true);
}
public void hide() {
target = null;
currentVerb = DEFAULT_VERB;
setCurrentActor(null);
setVisible(false);
}
/** The style for the VerbUI */
static public class VerbUIStyle {
/** Optional. */
public Drawable background;
public TextButtonStyle verbButtonStyle;
public ButtonStyle inventoryButtonStyle;
public LabelStyle infoLineLabelStyle;
public Drawable upArrow;
public Drawable downArrow;
public VerbUIStyle() {
}
public VerbUIStyle(VerbUIStyle style) {
background = style.background;
verbButtonStyle = style.verbButtonStyle;
inventoryButtonStyle = style.inventoryButtonStyle;
infoLineLabelStyle = style.infoLineLabelStyle;
upArrow = style.upArrow;
downArrow = style.downArrow;
}
}
}